Huawei OTN TN54NS3T01 is a 40G Line Service Processing Board, converts 32*ODU0, 16*ODU1, 4*ODU2 and 1*ODU3 into one OTU3 signal. TN54NS3T01 part number is 03030LWM, some other version like TN11, TN52, TN55, and TN56 with different system compatibility and feature supported. TN54NS3 has feature code like T01 and T03, different line code.

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HUAWEI 40G or 100G line board is very expensive, but we can find them in some special channels with very reasonable price. there are many dealer in China, such as Thunder-link.com, a very professional supplier